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See detailVariants of early-onset restrictive eating disturbances in middle childhood
Kurz, Susanne; Van Dyck, Zoé UL; Dremmel, Daniela et al

in International Journal of Eating Disorders (2015), 49(1), 102-106

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See detailEarly-onset restrictive eating disturbances in primary school boys and girls
Kurz, Susanne; Van Dyck, Zoé UL; Dremmel, Daniela et al

in European Child & Adolescent Psychiatry (2014)

This study sought to determine the distribution of early-onset restrictive eating disturbances characteristic of the new DSM-5 diagnosis, avoidant/restrictive food intake disorder (ARFID) in middle ... [more ▼]

This study sought to determine the distribution of early-onset restrictive eating disturbances characteristic of the new DSM-5 diagnosis, avoidant/restrictive food intake disorder (ARFID) in middle childhood, as well as to evaluate the screening instrument, Eating Disturbances in Youth-Questionnaire (EDY-Q). A total of 1,444 8- to 13-year-old children were screened in regular schools (3rd to 6th grade) in Switzerland using the self-report measure EDY-Q, consisting of 12 items based on the DSM-5 criteria for ARFID. 46 children (3.2 %) reported features of ARFID in the self-rating. Group differences were found for body mass index, with underweight children reporting features of ARFID more often than normal and overweight children. The EDY-Q revealed good psychometric properties, including adequate discriminant and convergent validity. Early-onset restrictive eating disturbances are commonly reported in middle childhood. Because of possible negative short- and long-term impact, early detection is essential. Further studies with structured interviews and parent reports are needed to confirm this study’s findings. [less ▲]

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See detailPrävalenz von atypischen Essstörungen in der mittleren Kindheit
Kurz, Susanne; Van Dyck, Zoé UL; Dremmel, Daniela et al

Scientific Conference (2013)

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See detailEssprobleme im Kindesalter: Screening in der allgemeinen Bevölkerung
Van Dyck, Zoé UL; Bellwald, Laura; Kurz, Susanne et al

in Zeitschrift für Gesundheitspsychologie (2013), 21(2), 91-100

Since eating disorders in childhood and adolescence have increased significantly, their early identification is of importance. Besides the “typical” eating disorders, there are a number of eating ... [more ▼]

Since eating disorders in childhood and adolescence have increased significantly, their early identification is of importance. Besides the “typical” eating disorders, there are a number of eating disturbances that typically present in middle childhood, characterized by avoidance or restriction of intake, that are not currently classified in the DSM-IV system. The purpose of the present study is to investigate the occurrence of these disturbances in a general, school-based population, and to report psychometric properties of a brief self-report screening questionnaire assessing avoidant or restrictive food intake. A total of 730 children aged 8–13 years were assessed with the Eating Disturbances in Childhood – Questionnaire (EDCh-Q). Altogether, 29.8 %of the children reported avoidant or restrictive eating behavior. Item characteristics were overall favourable. The four-factorial solution was replicated, however, with poor internal consistencies of the subscales. Underweight children reported more symptoms of food avoidance emotional disorder (FAED). Avoidant or restrictive eating behavior is common in school-aged children. The EDCh-Q is a diagnostically orientated screening questionnaire to identify these eating disturbances in middle childhood. A larger study is warranted to validate the EDCh-Q in community and clinical samples. [less ▲]

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See detailEating disturbances in childhood and early adolescence: Screening in the general population
Van Dyck, Zoé UL; Bellwald, Laura; Dremmel, Daniela et al

in Psychology & Health (2012), 27

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See detailEssstörungen im Kindesalter: Die Vermeidend/Restriktive Essstörung im Selbstbericht
Bellwald, Laura; Van Dyck, Zoé UL; Dremmel, Daniela et al

Poster (2012)

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See detailNatural course of loss of control eating in children
Van Dyck, Zoé UL; Schöbi, Dominik; Czaja, Julia et al

Scientific Conference (2011)

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See detailPsychophysiological responses to idiosyncratic stress in Bulimia Nervosa and Binge Eating Disorder.
Hilbert, Anja; Vögele, Claus UL; Tuschen-Caffier, Brunna et al

in Physiology & Behavior (2011), 104

This study examined psychophysiological stress responses to idiosyncratically relevant stress in bulimia nervosa (BN) and binge eating disorder (BED), in relation to autonomic cardiac control and ... [more ▼]

This study examined psychophysiological stress responses to idiosyncratically relevant stress in bulimia nervosa (BN) and binge eating disorder (BED), in relation to autonomic cardiac control and nutritional status. A total of 81 women with BN, BED and healthy controls (HC) took part in an in sensu exposure to idiosyncratic stress. Psychological and peripheral physiological parameters were measured, and tonic heart rate variability, nutritional status, and types of stress were determined. In response to stress exposure, both eating disordered groups showed a stronger reactivity of sadness, and the BED group showed a stronger reactivity of insecurity than the HC group. Desire to binge was increased in the context of interpersonal stress. Stress exposure led to increased cardiovascular activity and reduced electrodermal activity that did not differ by group. The BN-specific symptomatology moderated the association between autonomic cardiac control and psychophysiological stress responses. The results suggest common and specific psychophysiological processes in symptom maintenance through life stress in BN and BED. [less ▲]

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See detailEating Disorder Examination-Questionnaire: Prevalence of eating disturbances in the general population
Van Dyck, Zoé UL; de Zwaan, Martina; Braehler, Elmar et al

Poster (2011)

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See detailDietary restriction, cardiac autonomic regulation and stress reactivity in bulimic women
Vögele, Claus UL; Hilbert, Anja; Tuschen-Caffier, Brunna

in Physiology & Behavior (2009), 98

Recent !ndings suggest sympathetic inhibition during dietary restriction as opposed to increased sympathetic activity during re-feeding. The present study investigated cardiac autonomic regulation and ... [more ▼]

Recent !ndings suggest sympathetic inhibition during dietary restriction as opposed to increased sympathetic activity during re-feeding. The present study investigated cardiac autonomic regulation and stress reactivity in relation to biochemical markers of dietary restriction status in women diagnosed with bulimia nervosa. We predicted that bulimic individuals (BN) with a biochemical pro!le indicating dietary restriction exhibit reduced cardiac sympathetic and/or increased vagal activity. We also hypothesized, that BN with a biochemical pro!le within a normal range (i.e. currently not dieting or malnourished) would show heart rate variability responses (HRV) and reactivity to mental stress indicating increased sympathetic activation compared with non-eating disordered controls. Seventeen female volunteers diagnosed with bulimia nervosa were categorized according to their serum pro!le (glucose, pre-albumin, IGF-1, TSH, leptin) into currently fasting versus non-fasting and compared with 16 non-eating disordered controls matched for age and BMI. Spectral components of HRV were calculated on heart rate data from resting and mental stress periods (standardized achievement challenge) using autoregressive analysis. Compared to non-fasting BN and controls, fasting BN showed increased vagal and decreased sympathetic modulation during both resting and recovery periods. Cardiac autonomic regulation was not impaired in response to mental challenge. No differences could be found between non-fasting BN and controls. The results con!rm the notion of cardiac sympathetic inhibition and vagal dominance during dietary restriction and suggest the speci!city of starvation related biochemical changes for cardiac autonomic control. The results are discussed in terms of the higher incidence in cardiac complications in these patients. [less ▲]

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See detailCue reactivity in male restrained eaters: the role of negative cognitions as predictors of food intake
Hilbert, Anja; Vögele, Claus UL; Himmelmann, Uta

in Eating and Weight Disorders [=EWD] (2007), 12

OBJECTIVE: While restrained eating is one of the most well-established risk factors of eating disorders in females, its role for eating disturbances in males remains largely unclear. The present study ... [more ▼]

OBJECTIVE: While restrained eating is one of the most well-established risk factors of eating disorders in females, its role for eating disturbances in males remains largely unclear. The present study investigates eating behaviour in response to food cues and negative cognitions in male restrained eaters. METHODS: Twenty-four restrained eaters and 21 unrestrained eaters volunteered in a cue reactivity experiment consisting of two exposure trials with and without response prevention. Food and macronutrient intake were monitored, and negative cognitions were assessed using a self-report cognition inventory. RESULTS: Male restrained eaters consumed a larger amount of food, specifically carbohydrates, than unrestrained eaters. This greater food intake was predicted by negative cognitions about self-esteem and occurred in restrained eaters who had reported binge eating episodes in the diagnostic interview. DISCUSSION: Results suggest marked cue reactivity in male restrained eaters with an increased risk of overeating in those who experience low situational self-esteem and who are binge eaters. [less ▲]

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See detailFasten und (Über)-essen: Auswirkungen von Jojo-Diäten auf Parameter der kardialen sympatho-vagalen Balance
Coles, Justine; Vögele, Claus UL; Hilbert, Anja et al

in Zeitschrift für Klinische Psychologie und Psychotherapie (2005), (34), 95-103

Background: Findings from animal studies suggest sympathetic inhibition during dietary restriction as opposed to increased sympathetic activity during re-feeding. Objective: The present study investigated ... [more ▼]

Background: Findings from animal studies suggest sympathetic inhibition during dietary restriction as opposed to increased sympathetic activity during re-feeding. Objective: The present study investigated sympatho-vagal balance in relation to endocrinological parameters of malnutrition status in women diagnosed with bulimia nervosa. Methods: Sixteen female volunteers diagnosed with bulimia nervosa were categorised according to their serum profile (glucose, pre-albumin, insuline-like growth factor, TSH, leptin) into currently malnourished (i.e. fasting) versus non-malnourished (not fasting) and compared with fourteen non-eating disordered controls matched for age and BMI. Spectral components of heart rate variability (HRV) were calculated on resting heart rate data using autoregressive analysis. Results: As expected, fasting bulimic women displayed lower values of resting heart rate compared to non-fasting women and controls. Non-fasting bulimic women consistently showed lower results in the vagally mediated component and significantly higher results in the sympathetically mediated component of HRV. Conclusions: These results confirm the notion of cardiac sympathetic inhibition during caloric restriction and increased activity during periods of normal eating or bingeing. [less ▲]

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See detailPsychological responses to body shape exposure in patients with bulimia nervosa.
Tuschen-Caffier, Brunna; Vögele, Claus UL; Bracht, Susanne et al

in Behaviour research and therapy (2003), 41

One of the unresolved issues regarding research on bulimia nervosa concerns the question as to how patients diagnosed with bulimia nervosa respond to body image exposure. In addition, it remains unclear ... [more ▼]

One of the unresolved issues regarding research on bulimia nervosa concerns the question as to how patients diagnosed with bulimia nervosa respond to body image exposure. In addition, it remains unclear whether there are differential responses associated with different exposure techniques (e.g. in vivo exposure vs. exposure by visualization). The aim of the present study was to investigate psychological responses to body image exposure. Twenty participants diagnosed with bulimia nervosa (DSM IV) and twenty non-eating disordered individuals were exposed to their body image using a video recording (video confrontation). In addition, they were asked to imagine and describe the appearance of their body (imagery task). Results indicate that self-reported negative emotions increased in response to both, video confrontation and imagery task, in the clinical as well as in the control group. Furthermore, video confrontation led to more pronounced group differences than exposure by visualization (imagery task). Participants diagnosed with bulimia nervosa took less time to describe their waist, hips and bottom compared to non-eating disturbed controls. This last result could be interpreted in terms of avoidance behavior and other mechanisms during body image exposure. [less ▲]

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See detailEffects of prolonged and repeated body image exposure in binge eating disorder
Hilbert, Anja; Tuschen-Caffier, Brunna; Vögele, Claus UL

in Journal of Psychosomatic Research (2002), 52

OBJECTIVE: The purpose of the present study was to investigate psychological mechanisms associated with prolonged and repeated body image exposure. METHOD: In an experimental design, 30 female volunteers ... [more ▼]

OBJECTIVE: The purpose of the present study was to investigate psychological mechanisms associated with prolonged and repeated body image exposure. METHOD: In an experimental design, 30 female volunteers diagnosed with binge-eating disorder (BED) (DSM-IV) and 30 non-eating-disordered controls (NC) were exposed to their physical appearance in a mirror. The confrontation procedure was guided by a standardized interview manual and took place on two separate days. Self-reported mood, appearance self-esteem, and frequency of negative cognitions were assessed repeatedly throughout the experiment. RESULTS: During body image exposure sessions, binge-eating-disordered individuals showed significantly lower mood than controls while appearance self-esteem was diminished in both groups. During the second body image exposure session, higher levels of mood and appearance self-esteem were observed in both groups, and negative cognitions occurred less frequently. CONCLUSION: Results are discussed with regard to the therapeutic use of body image exposure. [less ▲]

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